Regional Estimation of Reference Evapotranspiration in Arid and Semiarid Regions

作者: Ali-Akbar Sabziparvar , Hossein Tabari

DOI: 10.1061/(ASCE)IR.1943-4774.0000242

关键词:

摘要: Evapotranspiration is critical to many applications including water resource management, irrigation scheduling, and environmental studies. Many models based on meteorological data have already been developed estimate reference evapotranspiration ( ET0 ) in various climatic geographical conditions. The main purpose of this study was evaluate the performances Makkink, Priestley-Taylor, Hargreaves versus Penman-Monteith FAO-56 (PMF-56) method arid semiarid regions Iran during 1993–2005 identify alternative model that presents results closest PMF-56 method. Additionally, a regional estimation monthly with best-performed presented by using spatially distributed physical parameters information system. indicated best eastern Iran. spatial distribution maps showed values increased from north ...

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